British book publisher Nosy Crow tends to focus on fiction with its book-apps. This marks a new direction: a non-fiction app for children explaining the life cycle of frogs, with characterful animation and child voice-narration.

Music apps developer Smule released its latest karaoke app this week. Sing! is a logical step on from the company's Glee Karaoke, except now with social features to the fore, and 100 licensed tracks to sing along to. Read Apps Blog's interview for more details on Smule's plans.

Horses may be dancing at the Olympic Games, but back in the traditional horseracing industry, its newspaper of record the Racing Post has a brand new iPad app. It'll offer two editions a day, one published at 8pm the night before. News, stats, columnists and customisable racecards all feature.

Drokk! Venerable comic 2000 AD has made its iOS Newsstand debut with an iOS app that sells individual weekly issues, or offers a range of renewable subscriptions. A free sampler is included to whet the appetite for Judge Dredd: Day of Chaos and other stories.

Fancy a classy capital-city tipple? Craft Beer London's new app is your friend. it promises reviews, listings and maps for the city's craft beer pubs, breweries and shops, as well as news of new places and businesses as they emerge.

It's late to be getting into competition with Instagram, given its 80m+ users. Still, Meta is intriguing: a photography app that places great emphasis on the "handcrafted" nature of its filters. Plus it works with Instagram, Facebook and Twitter anyway.

Music-playing app TuneWiki has been available for years, but a brand new version - as in not just an update - was released this week. It still enables you to play music from your iPhone with scrolling lyrics, but social features are now a bigger part of the mix.

Stella Artois and Little White Lies magazine have teamed up for a film-focused app in the UK. Users can read reviews, find out where films are screening near them, and get details on Stella's own film-related events.

As British band Bloc Party prepare to release their Four album, they've launched an official app. The usual news, music clips, videos and social features are included, but more eye-catching is a weather "fourcast" that checks your location, then delivers a video weather forecast from the band members themselves.

That's this week's selection, but what have you been using on your iPhone, iPad or iPod touch? Make your recommendations in the comments.